This study examined the differing conclusions one may come to depending upon the type of analysis chosen, hierarchical linear modeling or ordinary least squares (OLS) regression. To illustrate this ...
Effects of ethnicity on genotype-phenotype correlations in individuals with a BRCA1 or BRCA2 mutation. Background: So far, few studies have investigated the impact of specially trained breast care ...
When contextual features of test-taking environments differentially affect item responding for different test-takers and these features vary across test administrations, they may cause differential ...
Medical Care, Vol. 45, No. 3 (Mar., 2007), pp. 252-258 (7 pages) Background: Hospitals rapidly change structure and organization. Little research has been conducted that documents whether hospital ...
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